class Settings:
    def __init__(self):
        self.screen_width = 600
        self.screen_height = 800
        self.bg_color = (230, 230, 230)
        # 子弹设置
        self.bullet_width = 3
        self.bullet_height = 15
        self.bullet_color = (60, 60, 60)
        self.bullet_allowed = 5
        # 外星人设置
        self.fleet_drop_speed = 3.0 # 下降速度
        self.alien_transform_width = 30
        self.alien_transform_height = 30
        # 飞船设置
        self.ship_transform_width = 30
        self.ship_transform_height = 30
        # 游戏机会
        self.game_chance = 1

        self.speedup_scale = 1.1
        self.score_scale = 1.5
        self.initialize_dynamic_settings()
    
    def initialize_dynamic_settings(self):
        self.ship_speed = 3.0
        self.bullet_speed = 2.5
        self.alien_speed = 1.0

        # # 外星人积分
        # self.alien_points = 1
    
    def increase_speed(self):
        self.ship_speed *= self.speedup_scale
        self.bullet_speed *= self.speedup_scale
        self.alien_speed *= self.speedup_scale
        # self.alien_points = int(self.alien_points * self.score_scale)